W Series – Stud Type

Brand: T&M Research
Origin: United States

A wideband current shunt that converts measured current into a voltage signal.

Key specification options

Resistance (ohms): 2.0 / 1.0
Bandwidth (MHz): 400 / 800
Rise time (ns): 1 / 0.45
Emax, joules: 120 / 60
Resistance (ohms): .5 / .25 / .1 and more
Bandwidth (MHz): 400 / 800

Product design

The T&M W stud input series organises the current path through stud connections for laboratory test arrangements. It is mechanically different from the flat cable clamp and flange input versions. Confirm the actual input connection before installation.

Measurement and application

A shunt converts current into a voltage signal for measurement equipment. Selection involves its position in the current path as well as the arrangement of the voltage sensing connections.

Selection and connections

Consider whether the task involves continuous operation or pulse testing, then confirm mounting, connection space and instrument interface. Sensing connections, thermal conditions and circuit layout should follow the instructions for the chosen model.

Series models & specifications

SDN-414 Wideband Current Shunt

Model selection table

SDN-414 Wideband Current Shunt / Model selection table
Model	Resistance (ohms)	Bandwidth (MHz)	Rise time (ns)	Emax, joules
SDN-414-01	.01	400	1	6
SSDN-414-01	.01	400	1	6
SDN-414-025	.025	1200	0.3	3
SSDN-414-025	.025	1200	0.3	3
SPT-414-025	.025	1200	0.3	3
SDN-414-05	.05	2000	0.18	2
SSDN-414-05	.05	2000	0.18	2
SPT-414-05	.05	2000	0.18	2
SDN-414-10	.1	2000	0.18	1
SSDN-414-10	.1	2000	0.18	1
SPT-414-10	.1	2000	0.18	1

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SDN-XX Wideband Current Shunt

Model selection table

SDN-XX Wideband Current Shunt / Model selection table
Model	Resistance (ohms)	Bandwidth (MHz)	Rise time (ns)	Emax, joules
SDN-001	.001	12	30	12
SSDN-001	.001	12	30	12
SPT-001	.001	12	30	12
SDN-0025	.0025	12	30	28
SSDN-0025	.0025	12	30	28
SPT-0025	.0025	12	30	28
SDN-005	.005	400	1	3
SSDN-005	.005	400	1	3
SPT-005	.005	400	1	3
SDN-015	.015	1200	0.30	1.5
SSDN-015	.015	1200	0.30	1.5
SPT-015	.015	1200	0.30	1.5
SDN-10	.10	2000	.18	2
SSDN-10	.10	2000	.18	2
SPT-10	.10	2000	.18	2
SDN-25	.25	1200	0.30	5
SSDN-25	.25	1200	0.30	5
SPT-25	.25	1200	0.30	5
SDN-50	.50	800	0.45	2.5
SSDN-50	.50	800	0.45	2.5
SPT-50	.50	800	0.45	2.5

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A Series Wideband Current Shunt

4 W - 2 3/4 inches

A Series Wideband Current Shunt / 4 W - 2 3/4 inches
Model	Resistance (ohms)	Passband, MHz	Rise time, nsec	Emax, joules
A-2-01	.01	400	1	16
A-5-05	.05	2000	0.18	5
A-2-005	.005	200	2	15
A-4-0025	.0025	48	8	30
A-8-001	.001	12	30	70

5 W - 2 3/4 inches

A Series Wideband Current Shunt / 5 W - 2 3/4 inches
Model	Resistance (ohms)	Passband, MHz	Rise time, nsec	Emax, joules
A-1-05	.05	1200	0.30	20
A-2-025	.025	400	1	40
A-5-1	.10	1200	0.30	10
A-4-005	.005	48	8	60

6 W - 4 9/16 inches

A Series Wideband Current Shunt / 6 W - 4 9/16 inches
Model	Resistance (ohms)	Passband, MHz	Rise time, nsec	Emax, joules
A-1-1	.10	800	0.45	40
A-2-05	.05	400	1	80
A-5-2	.20	1200	0.30	20

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M Series Wideband Current Shunt

Model: 1M, 20W rating - length: 4 3/4 inches

M Series Wideband Current Shunt / Model: 1M, 20W rating - length: 4 3/4 inches
Model	Resistance (ohms)	Bandwidth (MHz)	Rise time (ns)	Emax, joules
1M-T10 *	.05	1200	0.30	75
1M-05	.025	400	1	150
1M-1	.02	800	0.45	63
1M-2	.01	200	2	125
1M-4	.005	48	8	250
1M-8	.0025	12	30	500
1M-10	.002	8	45	625
1M-16	.00125	3.2	113	1000
1M-20	.001	2.2	164	1250

Model: 2M, 30 W rating - length: 6 3/4 inches

M Series Wideband Current Shunt / Model: 2M, 30 W rating - length: 6 3/4 inches
Model	Resistance (ohms)	Bandwidth (MHz)	Rise time (ns)	Emax, joules
2M-T10 *	.1	800	0.45	150
2M-05 *	.05	400	1	300
2M-1	.04	400	1	125
2M-2	.02	200	2	250
2M-4	.01	48	8	500
2M-8	.005	12	30	1000
2M-10	.004	8	45	1250
2M-16	.0025	3.2	113	1250
2M-20	.002	2.2	164	2500

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F Series Wideband Current Shunt

75W rating - length: 7 7/8 inches

F Series Wideband Current Shunt / 75W rating - length: 7 7/8 inches
Model	Resistance (ohms)	Bandwidth (MHz)	Rise time (ns)	Emax, joules
F-250-1	.02	800	0.45	250
F-500-2	.01	200	2	500
F-1000-4	.005	48	8	1000
F-2000-8	.0025	12	30	2000
F-2500-10	.002	8	45	2500
F-4000-16	.00125	3.2	113	4000
F-5000-20	.001	2.2	164	5000
F-8000-32	.000625	1	250	8000
F-10,000-40	.0005	0.58	872	10000

90 rating - length: 8 7/8 inches

F Series Wideband Current Shunt / 90 rating - length: 8 7/8 inches
Model	Resistance (ohms)	Bandwidth (MHz)	Rise time (ns)	Emax, joules
F-300-1	.025	800	0.45	300
F-3000-10	.0025	8	45	3000
F-16,000-40	.0008	.58	872	16000

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K Series Wideband Current Shunt

150W rating - length: 9 3/4 inches

K Series Wideband Current Shunt / 150W rating - length: 9 3/4 inches
Model	Resistance (ohms)	Bandwidth (MHz)	Rise time (ns)	Emax, joules
K-500-1	.01	800	0.45	500
K-1000-2	.005	200	2	1000
K-2000-4	.0025	48	8	2000
K-4000-8	.00125	12	30	4000
K-5000-10	.001	8	45	5000
K-8000-16	.000625	3.2	113	8000
K-10,000-20	.0005	2.2	164	10000
K-16,000-32	.0003	1	250	16000
K-20,000-40	.00025	0.58	872	20000
K-32,000-64	.00015	0.25	2000	32000

120W rating - length: 9 1/8 inches

K Series Wideband Current Shunt / 120W rating - length: 9 1/8 inches
Model	Resistance (ohms)	Bandwidth (MHz)	Rise time (ns)	Emax, joules
K-1600-4	.002	48	8	1600
K-3200-8	.001	12	30	3200
K-6400-16	.0005	3.2	113	6400
K-12,800-32	.00025	1	250	12800
K-16,000-40	.0002	0.58	872	16000
K-21,000-64	.0001	0.25	2000	21000

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R Series Wideband Current Shunt

225W rating - length: 12 1/4 inches

R Series Wideband Current Shunt / 225W rating - length: 12 1/4 inches
Model	Resistance (ohms)	Bandwidth (MHz)	Rise time (ns)	Emax, joules
R-700-1	.01	800	.45	700
R-1400-2	.005	200	2	1400
R-2800-4	.0025	48	8	2800
R-5600-8	.00125	12	30	5600
R-7000-10	.001	8	45	7000
R-11,200-16	.000625	3.2	113	11,200
R-14,000-20	.0005	2.2	164	14,000
R-22,400-32	.0003	1	250	22,400
R-28,000-40	.00025	.58	872	28,000
R-44,800-64	.00015	.25	2000	44,800

275W rating - length: 11 3/4 inches

R Series Wideband Current Shunt / 275W rating - length: 11 3/4 inches
Model	Resistance (ohms)	Bandwidth (MHz)	Rise time (ns)	Emax, joules
R-7500-8	.001	12	30	7500
R-15,000-16	.0005	3.2	113	15,000
R-30,000-32	.00025	1	250	30,000
R-60,000-64	.000125	.25	2000	60,000

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W Series - Flat Cable Input

W series - clamp type - flat cable input, 5W rating - length: 1 inch of clamping surface

W Series – Flat Cable Input / W series - clamp type - flat cable input, 5W rating - length: 1 inch of clamping surface
Model	Resistance (ohms)	Bandwidth (MHz)	Rise time (ns)	Emax, joules
W-1-01C-1FC	.01	800	0.45	20
W-2-005C-1FC	.005	200	2	40
W-4-0025C-1FC	.0025	48	8	60

7 1/2W rating - length: 2 inches of clamping surface

W Series – Flat Cable Input / 7 1/2W rating - length: 2 inches of clamping surface
Model	Resistance (ohms)	Bandwidth (MHz)	Rise time (ns)	Emax, joules
W-1-01C-2FC	.01	800	0.45	80
W-1-005C-2FC	.005	800	0.45	40
W-2-0025C-2FC	.0025	200	2	80
W-4-001C-2FC	.001	48	8	130

W series - strap type - flat cable input

W Series – Flat Cable Input / W series - strap type - flat cable input
Model	Resistance (ohms)	Bandwidth (MHz)	Rise time (ns)	Emax, joules
W-2-005-2FC	.005	400	2	125
W-2-0025-4FC	.0025	400	2	275
W-2-001-6FC	.001	400	2	275
W-2-0005-12FC	.0005	400	2	550

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W Series - Stud Type

W series - STUD input - type 1 STUD, 7 1/2W rating - length: 5 1/2 inches

W Series – Stud Type / W series - STUD input - type 1 STUD, 7 1/2W rating - length: 5 1/2 inches
Model	Resistance (ohms)	Bandwidth (MHz)	Rise time (ns)	Emax, joules
W-5-20-1STUD	2.0	400	1	120
W-5-10-1 STUD	1.0	800	0.45	60

6W rating - 4 1/2 inches

W Series – Stud Type / 6W rating - 4 1/2 inches
Model	Resistance (ohms)	Bandwidth (MHz)	Rise time (ns)	Emax, joules
W-1T-5-1STUD	.5	400	1	500
W-1T-25-1STUD	.25	800	0.45	250
W-1-1-1 STUD	.1	400	1	200
W-1-05-1 STUD	.05	400	1	100

5W rating - length: 3 1/2 inches

W Series – Stud Type / 5W rating - length: 3 1/2 inches
Model	Resistance (ohms)	Bandwidth (MHz)	Rise time (ns)	Emax, joules
W-1-025-1 STUD	.025	800	0.45	50
W-2-01-1STUD	.01	200	2	80
W-4-005-1STUD	.005	48	8	160
W-8-0025-1STUD	.0025	12	30	320
W-10-001-1STUD	.001	8	45	200

W series - STUD input - type 2 STUD, 12 1/2 W unit - 3 1/2 inches

W Series – Stud Type / W series - STUD input - type 2 STUD, 12 1/2 W unit - 3 1/2 inches
Model	Resistance (ohms)	Bandwidth (MHz)	Rise time (ns)	Emax, joules
W-1-05-2 STUD	.05	400	1	425
W-1-025-2STUD	.025	400	1	213
W-1-01-2STUD	.01	800	0.45	85
W-2-005-2STUD	.005	200	2	165
W-4-0025-2STUD	.0025	48	8	330
W-8-001-2STUD	.001	12	30	350

15 W unit - 4 inches

W Series – Stud Type / 15 W unit - 4 inches
Model	Resistance (ohms)	Bandwidth (MHz)	Rise time (ns)	Emax, joules
W-2-01-2STUD	.01	200	2	330
W-4-005-2STUD	.005	48	8	660
W-8-0025-2STUD	.0025	12	30	1320

W series - STUD input - type 4 STUD, 15 W unit - 3 1/2 inches

W Series – Stud Type / W series - STUD input - type 4 STUD, 15 W unit - 3 1/2 inches
Model	Resistance (ohms)	Bandwidth (MHz)	Rise time (ns)	Emax, joules
W-1-005-4STUD	.005	800	0.45	175
W-2-0025-4STUD	.0025	200	2	350
W-4-001-4 STUD	.001	48	8	560
W-8-0005-4STUD	.0005	12	30	1220
W-16-00025-4STUD	.00025	3.2	113	2440

20 W unit - 4 1/2 inches

W Series – Stud Type / 20 W unit - 4 1/2 inches
Model	Resistance (ohms)	Bandwidth (MHz)	Rise time (ns)	Emax, joules
W-1-01-4STUD	.01	800	0.45	350
W-2-005-4STUD	.005	200	2	700
W-4-0025-4STUD	.0025	48	8	1400
W-8-001-4 STUD	.001	12	30	2240
W-16-0005-4STUD	.0005	3.2	113	2240

W Series - High Power

W series - high-power flange input - type 3.5s, group A

W Series – High Power / W series - high-power flange input - type 3.5s, group A
Model	Resistance (ohms)	Bandwidth (MHz)	Rise time (ns)	Emax, joules
W300J1-3.5s-025	.025	300	1.5	300
W520J2-3.5s-01	.01	200	2	520
W1K4-3.5s-005	.005	48	8	1000
W2.1K8-3.5s-0025	.0025	12	30	2100
W3.5K10-3.5s-0025	.0025	8	45	3500
W3.3K16-3.5S-001	.001	3.2	113	3300
W5.5K20-3.5s-001	.001	2.2	164	5500
W6.6K32-3.5S-0005	.0005	1	250	6,600
W11.2K40-3.5s-0005	.0005	.58	872	11,200
W13.2K64-3.5S-00025	.00025	0.25	2000	13,200

W series - high-power flange input - type 3.5s, group B

W Series – High Power / W series - high-power flange input - type 3.5s, group B
Model	Resistance (ohms)	Bandwidth (MHz)	Rise time (ns)	Emax, joules
W490J1-3.5s-01	.01	300	1.5	490
W1K2-3.5s-005	.005	200	2	1000
W2K4-3.5S-0025	.0025	48	8	2000
W3.4K8-3.5s-001	.001	12	30	3400
W5.7K10-3.5s-001	.001	8	45	5700
W6.6K16-3.5s-0005	.0005	3.2	113	6600
W11K20-3.5s-0005	.0005	2.2	164	11,000
W13.2K32-3.5s-00025	.00025	1	250	13,200
W22K40-3.5s-00025	.00025	.58	872	22,000
W21.1K64-3.5s-0001	.0001	0.25	2000	21,100

W series - high-power flange input - type 6.5s, group A

W Series – High Power / W series - high-power flange input - type 6.5s, group A
Model	Resistance (ohms)	Bandwidth (MHz)	Rise time (ns)	Emax, joules
W490J1-6.5s-01	.01	300	1.5	490
W1K2-6.5s-005	.005	200	2
W2K4-6.5s-0025	.0025	48	8	2000
W3.4K8-6.5s-001	.001	12	30	3400
W5.7K10-6.5s-001	.001	8	45	5700
W6.6K16-6.5s-0005	.0005	3.2	113	6600
W11K20-6.5s-0005	.0005	2.2	164	11,000
W13.2K32-6.5s-00025	.00025	1	250	13,200
W22K40-6.5s-00025	.00025	.58	872	22,000
W21.1K64-6.5s-0001	.0001	.25	2000	21,100

W series - high-power flange input - type 6.5s, group B

W Series – High Power / W series - high-power flange input - type 6.5s, group B
Model	Resistance (ohms)	Bandwidth (MHz)	Rise time (ns)	Emax, joules
W980J1-6.5s-005	.005	300	1.5	980
W1.1K2-6.5s-0025	.0025	200	2	1100
W3.2K4-6.5s-001	.001	48	8	3200
W6.7K8-6.5s-0005	.0005	12	30	6700
W11.4K10-6.5s-0005	.0005	8	45	11,400
W13.2K16-6.5s-00025	.00025	3.2	113	13,200
W22.1K20-6.5s-00025	.00025	2.2	164	22,100
W21.1K32-6.5s-0001	.0001	1	250	21,100
W35.9K40-6.5s-0001	.0001	.58	872	35,900
W42.2K64-6.5s-00005	.00005	.25	2000	42,200

W series - high-power flange input - type 12.5s, group A

W Series – High Power / W series - high-power flange input - type 12.5s, group A
Model	Resistance (ohms)	Bandwidth (MHz)	Rise time (ns)	Emax, joules
W980J1-12.5s-005	.005	300	1.5	980
W1.1K2-12.5s-0025	.0025	200	2	3300
W3.2K4-12.5s-001	.001	48	8	3200
W6.7K8-12.5s-0005	.0005	12	30	6700
W11.4K10-12.5s-0005	.0005	8	45	11,400
W13.2K16-12.5s-00025	.00025	3.2	113	13,200
W22.1K20-12.5s-00025	.00025	2.2	164	22,100
W21.1K32-12.5s-0001	.0001	1	250	21,100
W35.9K40-12.5s-0001	.0001	.58	872	35,900
W42.2K64-12.5s-00005	.00005	.25	2000	42,200

W series - high-power flange input - type 12.5s, group B

W Series – High Power / W series - high-power flange input - type 12.5s, group B
Model	Resistance (ohms)	Bandwidth (MHz)	Rise time (ns)	Emax, joules
W2K1-12.5s-005	.005	300	1.5	2000
W3.3K2-12.5s-001	.001	200	2	3300
W6.5K4-12.5s-0005	.0005	48	8	6500
W13.7K8-12.5s-00025	.00025			13,700
W23K10-12.5s-00025	.00025	8	45	23,000
W21K16-12.5s-0001	.0001	3.2	113	21,000
W35K20-12.5s-0001	.0001	2.2	164	35,000
W42K32-12.5s-00005	.00005	1	250	42,000
W72K40-12.5s-00005	.00005	.58	872	72,000
W84K64-12.5s-000025	.000025	.25	2000	84,000

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